ITRON SL7000 IEC7 - Three-Phase Cabling Configurations

SL7000 User Guide
The meter can be configured for both 3 wire and 4 wire cabling, as shown in the following topics.
9.7.1. Three-Phase
Depending on the number of voltage (VT) and current transformers (CT) available, three-phase meter
connections can be configured as follows: